The knee joint is one of the most important joints and bears a lot of weight when walking. Any damage to the knee joint can greatly affect the motor function. Pain is a common symptom warning of a problem with the knee joint.
We often pay attention to pain in the front of the knee. However, pain in the back of the knee is also a very important symptom. Sometimes, this pain behind the knee will be difficult to determine the cause, according to the health website Healthline (USA).
Posterior cruciate ligament injuries can cause pain behind the knee.
Causes of pain behind the knee that people should not ignore include:
Cramps
Cramps are a very common problem. If cramps occur behind the knee, it is due to overactivity of this muscle group. However, if cramps occur frequently, the cause may be nerve damage, the body is accumulating many toxins, or even tetanus.
Baker's cyst
A Baker's cyst occurs when the knee is damaged, such as from arthritis or a torn cartilage. This damage causes an abnormal buildup of fluid, which leads to the formation of a cyst. The cyst creates pressure and pain behind the knee.
In severe cases, the cyst can rupture, causing severe knee swelling and pain. In this case, the patient needs to go to the hospital immediately.
Hamstring strain
The hamstrings are located at the back of the thighs and are one of the largest muscle groups in the body, helping to flex and extend the knee. This muscle group is under a lot of pressure when we move, such as jumping or squatting. Therefore, it is not surprising that the hamstrings are very susceptible to pain and injury. Hamstring injuries can also cause pain in the back of the knee.
The best way to heal a hamstring injury is to give it time to rest and recover. To reduce the risk of hamstring injury, people should warm up by doing stretches for this muscle group and avoid overtraining.
Posterior cruciate ligament injury
Our knees are made up of many different parts, including the posterior cruciate ligament. This is a ligament that connects the tibia to the femur, helping the knee joint stay stable and function properly.
Occasionally, the posterior cruciate ligament can be injured. Pain behind the knee is one of the first warning signs of this condition. The pain can range from mild to severe, depending on the severity of the injury, according to Healthline.
Source: https://thanhnien.vn/4-nguyen-nhan-gay-dau-phia-sau-dau-goi-can-phai-dieu-tri-18524122100525127.htm
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